[Amps] Transformer question

k7rdx k7rdx at charter.net
Sun Jul 8 14:10:26 EDT 2007


I have always isolated the neutral from chassis in my amps and I know for a
fact that running 120vac filament transformers,120vac blower,relay
supplys,primary switching relays,etc  has to unbalance the 240vac supply by
using one leg to neutral...I want to balance the primary ac line so one side
doesn`t draw way more current than the other...Thanks for all the comments
both on and off list..73,Jim
----- Original Message ----- 
From: "Tom W8JI" <w8ji at w8ji.com>
To: "k7rdx" <k7rdx at charter.net>; "Amps Amps" <amps at contesting.com>
Sent: Sunday, July 08, 2007 8:59 AM
Subject: Re: [Amps] Transformer question


> >I understand what your`e saying...Iv`e done it that way
> >many times too,what
> > I want to do is run a balanced input drawing equal current
> > from both legs of
> > the 240v ac mains as well as isolating the rf deck primary
> > from the
> > hvps..
>
> Not only that, it is illegal and a shock hazard to use the
> ground wire as a neutral. You would need a four wire outlet
> or otherwise somehow ensure the power return neutral was
> isolated from the chassis.
>
> The transformer should be fine the way you suggested.
>
> 73 Tom
>
>



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